GPS: N 40.33302, W 76.91241
Scanner: NS 160.800 , 161.070 
Railroad: Norfolk Southern Harrisburg DIvision
Description: The Rockville bridge in Marysville PA, at the time of its completion in 1902, was, and remains, the
longest stone masonry arch railroad viaduct in the world.
Todd Sestero's map of the Rockville Brige area